Diff Report
Run #512a1f7f217a6: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a226436ce4: XHProf Run (Namespace=drupal-perf)
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Regression/Improvement summary for class_exists

class_existsRun #512a1f7f217a6Run #512a226436ce4DiffDiff%
Number of Function Calls243 130 -113 -46.5%
Incl. Wall Time (microsec)8,038 10,781 2,743 34.1%
Incl. Wall Time (microsec) per call 33 83 50 150.7%
Excl. Wall Time (microsec)761 255 -506 -66.5%
Incl. CPU (microsecs)8,000 0 -8,000 -100.0%
Incl. CPU (microsecs) per call 33 0 -33 -100.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)715,600 1,987,608 1,272,008 177.8%
Incl. MemUse (bytes) per call 2,945 15,289 12,344 419.2%
Excl. MemUse (bytes)-13,144 -8,184 4,960 37.7%
Incl. PeakMemUse (bytes)544,032 1,490,008 945,976 173.9%
Incl. PeakMemUse (bytes) per call 2,239 11,462 9,223 411.9%
Excl. PeakMemUse (bytes)7,592 7,304 -288 -3.8%

Parent/Child Regression/Improvement report for class_exists [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
class_exists-113 -44.7% 2,743 5.6% -8,000 -15.4% 1,272,008 43.2% 945,976 33.3%
Exclusive Metrics Diff for Current Function-506 -18.4% -4,000 -50.0% 4,960 0.4% -288 -0.0%
Parent functions
Drupal\Component\Plugin\Factory\DefaultFactory::getPluginClass61 54.0% 6,277 228.8% 0 0.0% 1,269,656 99.8% 888,712 93.9%
Drupal\Component\Datetime\DateTimePlus::canUseIntl-150 -132.7% -3,364 -122.6% -8,000 -100.0% 0 0.0% -2,048 -0.2%
Drupal\Core\Database\Query\Select::extend-1 -0.9% -154 -5.6% 0 0.0% -1,112 -0.1% -2,080 -0.2%
file_stream_wrapper_get_instance_by_uri-21 -18.6% -21 -0.8% 0 0.0% 0 0.0% 816 0.1%
Drupal\Core\Database\Connection::getDriverClass0 0.0% 7 0.3% 0 0.0% -8 -0.0% -8 -0.0%
Drupal\Core\Entity\EntityManager::getControllerClass-2 -1.8% -2 -0.1% 0 0.0% 3,472 0.3% 60,584 6.4%
Drupal\Core\DrupalKernel::initializeContainer0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
drupal_classloader0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Child function
Symfony\Component\ClassLoader\UniversalClassLoader::loadClass-140 -100.0% 3,249 118.4% -4,000 -50.0% 1,267,048 99.6% 946,264 100.0%